This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A176519 #6 Jan 29 2023 18:50:49 %S A176519 9,1,6,3,6,8,9,5,2,6,5,4,4,4,0,7,5,2,2,7,7,7,2,3,7,7,7,1,1,6,0,2,7,8, %T A176519 4,9,1,6,3,8,1,2,0,3,4,7,0,9,5,8,2,7,3,3,5,5,2,8,0,9,8,6,4,9,2,2,3,3, %U A176519 9,2,2,7,4,4,0,3,6,2,4,8,3,9,2,0,7,1,1,0,2,8,1,4,5,5,9,4,1,0,0,8,0,0,2,2,4 %N A176519 Decimal expansion of (9+sqrt(87))/2. %C A176519 Continued fraction expansion of (9+sqrt(87))/2 is A010725 preceded by 9. %e A176519 (9+sqrt(87))/2 = 9.16368952654440752277... %t A176519 RealDigits[(9+Sqrt[87])/2,10,120][[1]] (* _Harvey P. Dale_, Jan 29 2023 *) %o A176519 (PARI) (sqrt(87)+9)/2 \\ _Charles R Greathouse IV_, Apr 25 2016 %Y A176519 Cf. A010538 (decimal expansion of sqrt(87)), A010725 (repeat 6, 9). %K A176519 cons,nonn %O A176519 1,1 %A A176519 _Klaus Brockhaus_, Apr 23 2010